Yes Cao Xian Wenhai Education is for children, and students in grades 3-9, such as mathematics, Chinese and English, are being recruited, and they can get free audition if they sign up. Winter classes and summer classes of all grades are in full swing. Cao County is a county under the jurisdiction of Heze City, Shandong Province, and one of the first 20 provincial-level counties in Shandong Province. Located in the southwest of Shandong Province, at the junction of eight counties in Shandong, Jiangsu, Henan and Anhui provinces, with an area of 1969 square kilometers.